This paper focuses on the dielectric constant("0),dielectric loss factor("00)and frequency dependent conductivity(ac)properties of newly prepared poly(vinylalcohol)(PVA)chitosan(CS)composite films incorpora...This paper focuses on the dielectric constant("0),dielectric loss factor("00)and frequency dependent conductivity(ac)properties of newly prepared poly(vinylalcohol)(PVA)chitosan(CS)composite films incorporated with different concentrations of LiClO_(4).The composite films were prepared using solution casting technique.The complexation between salt and polymer host is confirmed by FT Raman and UV-Vis studies.The sample containing 20 wt.%LiClO_(4)exhibits a highest ionic conductivity of 3106 S/cm at room temperature.The dielectric properties of the composites follow non-Debye behavior.展开更多
基金The authors are thankful to Department of Atomic Energy,Board of Research in Nuclear Sciences(BRNS),Government of India for the research project(2010/37C/7/BRNS/832)Department of Science and Technology(DST),Government of India for the research project(SR/FTP/PS-011/2010).
文摘This paper focuses on the dielectric constant("0),dielectric loss factor("00)and frequency dependent conductivity(ac)properties of newly prepared poly(vinylalcohol)(PVA)chitosan(CS)composite films incorporated with different concentrations of LiClO_(4).The composite films were prepared using solution casting technique.The complexation between salt and polymer host is confirmed by FT Raman and UV-Vis studies.The sample containing 20 wt.%LiClO_(4)exhibits a highest ionic conductivity of 3106 S/cm at room temperature.The dielectric properties of the composites follow non-Debye behavior.